<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>CROS-Main</title>
  <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.min.js"></script>
  <script src="main.js"></script>

</head>

<body>
  <div id="app">
    <div>SYSTEM AAAAA</div>
    <button id="btn1">Test</button>
    <button id="btn2">Test2</button>
    <button id="btn3">Redirect</button>
  </div>

  <!-- <iframe src="http://172.21.83.101:9003/"></iframe> -->
</body>

</html>